| Oak Forest to Ukiah (California) | 1,860.92 mi (2,994.86 km) |
| Oak Forest to Union (Missouri) | 277.85 mi (447.15 km) |
| Oak Forest to Union City (California) | 1,832.66 mi (2,949.38 km) |
| Oak Forest to Union City (Georgia) | 580.29 mi (933.88 km) |
| Oak Forest to Union City (New Jersey) | 715.01 mi (1,150.70 km) |
| Oak Forest to Union City (Tennessee) | 364.49 mi (586.59 km) |
| Oak Forest to Union Hill-Novelty Hill (Washington) | 1,721.23 mi (2,770.05 km) |
| Oak Forest to Union Park (Florida) | 972.62 mi (1,565.28 km) |
| Oak Forest to Uniondale (New York) | 738.18 mi (1,187.98 km) |
| Oak Forest to Universal City (Texas) | 1,020.64 mi (1,642.57 km) |
| Oak Forest to University (Florida) | 981.64 mi (1,579.80 km) |
| Oak Forest to University City (Missouri) | 244.53 mi (393.54 km) |
| Oak Forest to University Heights (Ohio) | 321.52 mi (517.44 km) |
| Oak Forest to University of California-Santa Barbara (California) | 1,805.30 mi (2,905.35 km) |
| Oak Forest to University Park (Texas) | 782.17 mi (1,258.78 km) |
